Use editable INI configuration

pvd_mezzanine.py

@@ -1,5 +1,6 @@
 from __future__ import annotations
 
+import configparser
 import json
 import math
 import os
@@ -27,7 +28,7 @@ except Exception:
 # 1. KONFIGURATION UND PFADE
 # =============================================================================
 APP_DIR = Path(__file__).resolve().parent
-CONFIG_PATH = APP_DIR / "config.json"
+CONFIG_PATH = APP_DIR / "config.ini"
 DEFAULT_CONFIG = {
     "ffmpeg": {
         "ffmpeg_exe": "",
@@ -64,29 +65,84 @@ DEFAULT_CONFIG = {
 }
 
 
-def deep_merge_config(default: dict, override: dict) -> dict:
-    merged = dict(default)
-    for key, value in override.items():
-        if isinstance(value, dict) and isinstance(merged.get(key), dict):
-            merged[key] = deep_merge_config(merged[key], value)
-        else:
-            merged[key] = value
-    return merged
-
-
 def write_default_config(path: Path) -> None:
-    path.write_text(json.dumps(DEFAULT_CONFIG, indent=2) + "\n", encoding="utf-8")
+    path.write_text(
+        """# Amazon PVD Mezzanine Encoder Konfiguration
+# Zeilen mit # sind Kommentare.
+# Leere Werte bedeuten: automatisch suchen bzw. automatisch waehlen.
+
+[ffmpeg]
+# Optional: feste Pfade setzen. Leer lassen fuer automatische Suche.
+ffmpeg_exe =
+ffprobe_exe =
+
+# Suchordner nach PATH. Mehrere Ordner mit Komma trennen.
+search_dirs = C:\\Tools\\FFMPEG, C:\\Software
+
+[output]
+# Optional: festes Zielverzeichnis. Leer lassen fuer preferred_dirs.
+base_dir =
+
+# Erstes vorhandenes Verzeichnis wird verwendet.
+preferred_dirs = F:\\VOD, H:\\VOD
+
+[video]
+# HD-PVD-MP4
+hd_bitrate = 30M
+hd_maxrate = 35M
+hd_bufsize = 50M
+hd_level = 4.1
+
+# SD-PVD-MP4
+sd_bitrate = 8M
+sd_maxrate = 10M
+sd_bufsize = 15M
+sd_level = 3.1
+
+# x264
+preset = slow
+tune = film
+
+[audio]
+# Deutscher Stereo-Ton im MP4
+mp4_bitrate = 256k
+sample_rate = 48000
+
+# Audio-MOVs
+pcm_codec = pcm_s24le
+""",
+        encoding="utf-8",
+    )
+
+
+def split_config_list(value: str) -> list[str]:
+    return [part.strip() for part in value.split(",") if part.strip()]
 
 
 def load_config() -> dict:
     if not CONFIG_PATH.exists():
         write_default_config(CONFIG_PATH)
         return DEFAULT_CONFIG
-    try:
-        user_config = json.loads(CONFIG_PATH.read_text(encoding="utf-8"))
-    except json.JSONDecodeError as exc:
-        raise RuntimeError(f"config.json ist ungueltig: {exc}") from exc
-    return deep_merge_config(DEFAULT_CONFIG, user_config)
+
+    parser = configparser.ConfigParser()
+    parser.read(CONFIG_PATH, encoding="utf-8")
+    config = {
+        section: dict(values)
+        for section, values in DEFAULT_CONFIG.items()
+    }
+
+    for section, defaults in DEFAULT_CONFIG.items():
+        if not parser.has_section(section):
+            continue
+        for key, default_value in defaults.items():
+            if not parser.has_option(section, key):
+                continue
+            raw_value = parser.get(section, key).strip()
+            if isinstance(default_value, list):
+                config[section][key] = split_config_list(raw_value)
+            else:
+                config[section][key] = raw_value
+    return config
 
 
 def find_executable(name: str, configured_path: str, search_dirs: list[str]) -> str: